drm/amdgpu/display: split dmcu and gpuvm handling logic

Separate the logic for each of these features to make the
code easier to understand and update in the future.

Acked-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2022-02-21 14:34:53 -05:00
commit fd546bc5ad